Zirconolite (var. lunar) CL spectrum, 15 keV e- beam, CSIRO/WUStL Apollo 12 (2019)
Measurement spectrum
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Measurement details
| Description | CL spectrum of Zirconolite (var. lunar) from Ocean of Storms, 3.01239°S 23.42157°W, The Moon |
| Reference | Otherwise unpublished work by CSIRO & WUStL, Apollo 12, AMAS XV. Feb 2019 https://research.csiro.au/microbeam-lab/ |
| Date measured | 2019-02-21 |
| Material | Zirconolite (var. lunar) [ (Ca, Ce)Zr(Ti, Nb, Fe)2O7 ] |
| Analysis technique | Cathodoluminescence (CL) |
| Instrument | JEOL 8500F |
| Probe | 15 keV electron beam |
| Beam current | 39.68 nA |
| Probe diameter | 1 μm |
| Acquisition time | 60.7796 s |
| Channel count | 1024 |
| Wavelength range | 199.467 … 970.586 nm |
| Intensity range | -17.4 … 2083 counts |
| Integral | 1.1438×106 counts |
| Data filter | Savitzky-Golay, 3rd order, ±20 channels |
| Lines | Nd3+ 1.4085 eV (42.4%), Unspecified 1.7 — 3.2 eV (100%) |
Specimen details
| Name | Apollo 12032-366-19x |
| Owner | NASA |
| Locality | Bench Crater, Ocean of Storms, 3.01239°S 23.42157°W, The Moon |
| URL | https://curator.jsc.nasa.gov/lunar/lsc/12032.pdf |
| Type | Rock fragment |
| Form | Polished section, epoxy mount |
| Other measurements |
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Specimen image
Clustered phase map of Apollo 12032-366-19x specimen, from Ocean of Storms, 3.01239°S 23.42157°W, The Moon
© (C) 2019 CSIRO Mineral Resources
Composition
| Element | Atoms |
|---|---|
| Ca | 0-1 |
| Ce | 0-1 |
| Ti | 0-2 |
| Zr | 1 |
| Nb | 0-2 |
| Fe | 0-2 |
| O | 7 |
Measurement image
CL spectrum of Zirconolite (var. lunar) from Ocean of Storms, 3.01239°S 23.42157°W, The Moon
© (C) 2023 CSIRO Mineral Resources